Sound

Sound waves move through __________

• gases

• solids

• vacuum

• all solids, liquids and gases

Sound waves travel slowest through __________

• solids

• liquids

• gases

• vacuum

Sound waves travel fastest through __________

• solids

• liquids

• gases

• vacuum

Sound waves cannot travel in __________

• solids

• liquids

• gases

• vacuum

The faster the frequency of a sound wave, the __________ is the pitch.

• lower

• higher

The __________ vibrate to make sounds.

• lungs

• vocal cords

Oscillating waves move __________

• round and round

• up and down

Low frequency means there are __________ sound waves in the same period of time

• high

• fewer

We make sounds using our __________

• ear

• brain

• vocal cords

• eyes

We push air up from our __________ and pass it to our vocal cords.

• stomach

• nose

• mouth

• lungs